c interview questions for experienced
/*C program to convert number from decimal to binary*/
#include <stdio.h>
int main()
{
int number,cnt,i;
int bin[32];
printf("Enter decimal number: ");
scanf("%d",&number);
cnt=0; /*initialize index to zero*/
while(number>0)
{
bin[cnt]=number%2;
number=number/2;
cnt++;
}
/*print value in reverse order*/
printf("Binary value is: ");
for(i=(cnt-1); i>=0;i--)
printf("%d",bin[i]);
return 0;
}
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#include <stdio.h>#include <conio.h>long factorial (int n){ if (n==0) return 1; else return (n * factorial(n-1)); //recursion}void main(){ int number; long fact; printf("Enter a number: "); scanf("%d", &number); fact = factorial(number); printf("The factorial of %d is %ld!\n", number, fact); getch();}
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